CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT."); CALL mtr.add_suppression("REVOKE/GRANT failed while storing table level " "and column level grants in the privilege " "tables. An incident event has been written to " "the binary log which will stop the slaves."); CALL mtr.add_suppression("REVOKE/GRANT failed while granting/revoking " "privileges in databases. An incident event " "has been written to the binary log which " "will stop the slaves."); drop table if exists t1,t2,t3; drop database if exists mysqltest; drop view if exists v1; revoke all privileges on mysqltest.t1 from mysqltest_1@localhost; revoke all privileges on mysqltest.* from mysqltest_1@localhost; delete from mysql.user where user=_binary'mysqltest_1'; create table t1(id1 int not null auto_increment primary key, t char(12)); create table t2(id2 int not null, t char(12)); create table t3(id3 int not null, t char(12), index(id3)); select count(*) from t1 where id1 > 95; count(*) 5 select count(*) from t2 where id2 > 95; count(*) 25 select count(*) from t3 where id3 > 95; count(*) 250 update t1,t2,t3 set t1.t="aaa", t2.t="bbb", t3.t="cc" where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 90; select count(*) from t1 where t = "aaa"; count(*) 10 select count(*) from t1 where id1 > 90; count(*) 10 select count(*) from t2 where t = "bbb"; count(*) 50 select count(*) from t2 where id2 > 90; count(*) 50 select count(*) from t3 where t = "cc"; count(*) 500 select count(*) from t3 where id3 > 90; count(*) 500 delete t1.*, t2.*, t3.* from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 95; check table t1, t2, t3; Table Op Msg_type Msg_text test.t1 check status OK test.t2 check status OK test.t3 check status OK select count(*) from t1 where id1 > 95; count(*) 0 select count(*) from t2 where id2 > 95; count(*) 0 select count(*) from t3 where id3 > 95; count(*) 0 delete t1, t2, t3 from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 5; select count(*) from t1 where id1 > 5; count(*) 0 select count(*) from t2 where id2 > 5; count(*) 0 select count(*) from t3 where id3 > 5; count(*) 0 delete from t1, t2, t3 using t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 0; select count(*) from t1 where id1; count(*) 0 select count(*) from t2 where id2; count(*) 0 select count(*) from t3 where id3; count(*) 0 drop table t1,t2,t3; create table t1(id1 int not null primary key, t varchar(100)) pack_keys = 1; create table t2(id2 int not null, t varchar(100), index(id2)) pack_keys = 1; delete t1 from t1,t2 where t1.id1 = t2.id2 and t1.id1 > 500; drop table t1,t2; CREATE TABLE t1 ( id int(11) NOT NULL default '0', name varchar(10) default NULL, PRIMARY KEY (id) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t1 VALUES (1,'aaa'),(2,'aaa'),(3,'aaa'); CREATE TABLE t2 ( id int(11) NOT NULL default '0', name varchar(10) default NULL, PRIMARY KEY (id) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t2 VALUES (2,'bbb'),(3,'bbb'),(4,'bbb'); CREATE TABLE t3 ( id int(11) NOT NULL default '0', mydate datetime default NULL, PRIMARY KEY (id) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t3 VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22 00:00:00'),(7,'2002-07-22 00:00:00'); delete t1,t2,t3 from t1,t2,t3 where to_days(now())-to_days(t3.mydate)>=30 and t3.id=t1.id and t3.id=t2.id; select * from t3; id mydate 1 2002-02-04 00:00:00 5 2002-05-12 00:00:00 6 2002-06-22 00:00:00 7 2002-07-22 00:00:00 DROP TABLE t1,t2,t3; CREATE TABLE IF NOT EXISTS `t1` ( `id` int(11) NOT NULL auto_increment, `tst` text, `tst1` text, PRIMARY KEY (`id`) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. CREATE TABLE IF NOT EXISTS `t2` ( `ID` int(11) NOT NULL auto_increment, `ParId` int(11) default NULL, `tst` text, `tst1` text, PRIMARY KEY (`ID`), KEY `IX_ParId_t2` (`ParId`), FOREIGN KEY (`ParId`) REFERENCES `t1` (`id`) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t1(tst,tst1) VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE"); INSERT INTO t2(ParId) VALUES(1), (2), (3); select * from t2; ID ParId tst tst1 1 1 NULL NULL 2 2 NULL NULL 3 3 NULL NULL UPDATE t2, t1 SET t2.tst = t1.tst, t2.tst1 = t1.tst1 WHERE t2.ParId = t1.Id; select * from t2; ID ParId tst tst1 1 1 MySQL MySQL AB 2 2 MSSQL Microsoft 3 3 ORACLE ORACLE drop table t2, t1 ; create table t1 (n numeric(10)); create table t2 (n numeric(10)); insert into t2 values (1),(2),(4),(8),(16),(32); select * from t2 left outer join t1 using (n); n 1 2 4 8 16 32 delete t1,t2 from t2 left outer join t1 using (n); select * from t2 left outer join t1 using (n); n drop table t1,t2 ; create table t1 (n int(10) not null primary key, d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2 (n int(10) not null primary key, d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values(1,1); insert into t2 values(1,10),(2,20); LOCK TABLES t1 write, t2 read; DELETE t1.*, t2.* FROM t1,t2 where t1.n=t2.n; ERROR HY000: Table 't2' was locked with a READ lock and can't be updated UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; ERROR HY000: Table 't2' was locked with a READ lock and can't be updated UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n; unlock tables; LOCK TABLES t1 write, t2 write; UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n; select * from t1; n d 1 10 DELETE t1.*, t2.* FROM t1,t2 where t1.n=t2.n; select * from t1; n d select * from t2; n d 2 20 unlock tables; drop table t1,t2; set sql_safe_updates=1; create table t1 (n int(10), d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2 (n int(10), d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values(1,1); insert into t2 values(1,10),(2,20); UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n; ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. set sql_safe_updates=0; drop table t1,t2; set timestamp=1038401397; create table t1 (n int(10) not null primary key, d int(10), t timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2 (n int(10) not null primary key, d int(10), t timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1(n,d) values(1,1); insert into t2(n,d) values(1,10),(2,20); set timestamp=1038000000; UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n; select n,d,unix_timestamp(t) from t1; n d unix_timestamp(t) 1 10 1038000000 select n,d,unix_timestamp(t) from t2; n d unix_timestamp(t) 1 10 1038401397 2 20 1038401397 UPDATE t1,t2 SET 1=2 WHERE t1.n=t2.n; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '1=2 WHERE t1.n=t2.n' at line 1 drop table t1,t2; set timestamp=0; set sql_safe_updates=0; create table t1 (n int(10) not null primary key, d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2 (n int(10) not null primary key, d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values(1,1), (3,3); insert into t2 values(1,10),(2,20); UPDATE t2 left outer join t1 on t1.n=t2.n SET t1.d=t2.d; select * from t1; n d 1 10 3 3 select * from t2; n d 1 10 2 20 drop table t1,t2; create table t1 (n int(10), d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2 (n int(10), d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values(1,1),(1,2); insert into t2 values(1,10),(2,20); UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; select * from t1; n d 1 10 1 10 select * from t2; n d 1 30 2 20 drop table t1,t2; create table t1 (n int(10), d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2 (n int(10), d int(10)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values(1,1),(3,2); insert into t2 values(1,10),(1,20); UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; select * from t1; n d 1 10 3 2 select * from t2; n d 1 30 1 30 UPDATE t1 a ,t2 b SET a.d=b.d,b.d=30 WHERE a.n=b.n; select * from t1; n d 1 30 3 2 select * from t2; n d 1 30 1 30 DELETE a, b FROM t1 a,t2 b where a.n=b.n; select * from t1; n d 3 2 select * from t2; n d drop table t1,t2; CREATE TABLE t1 ( broj int(4) unsigned NOT NULL default '0', naziv char(25) NOT NULL default 'NEPOZNAT', PRIMARY KEY (broj)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t1 VALUES (1,'jedan'),(2,'dva'),(3,'tri'),(4,'xxxxxxxxxx'),(5,'a'),(10,''),(11,''),(12,''),(13,''); CREATE TABLE t2 ( broj int(4) unsigned NOT NULL default '0', naziv char(25) NOT NULL default 'NEPOZNAT', PRIMARY KEY (broj)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t2 VALUES (1,'jedan'),(2,'dva'),(3,'tri'),(4,'xxxxxxxxxx'),(5,'a'); CREATE TABLE t3 ( broj int(4) unsigned NOT NULL default '0', naziv char(25) NOT NULL default 'NEPOZNAT', PRIMARY KEY (broj)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t3 VALUES (1,'jedan'),(2,'dva'); update t1,t2 set t1.naziv="aaaa" where t1.broj=t2.broj; update t1,t2,t3 set t1.naziv="bbbb", t2.naziv="aaaa" where t1.broj=t2.broj and t2.broj=t3.broj; drop table t1,t2,t3; CREATE TABLE t1 (a int not null primary key, b int not null, key (b)); CREATE TABLE t2 (a int not null primary key, b int not null, key (b)); INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); update t1,t2 set t1.a=t1.a+100; select * from t1; a b 101 1 102 2 103 3 104 4 105 5 106 6 107 7 108 8 109 9 update t1,t2 set t1.a=t1.a+100 where t1.a=101; select * from t1; a b 102 2 103 3 104 4 105 5 106 6 107 7 108 8 109 9 201 1 update t1,t2 set t1.b=t1.b+10 where t1.b=2; select * from t1; a b 102 12 103 3 104 4 105 5 106 6 107 7 108 8 109 9 201 1 update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t2.a=t1.a-100; select * from t1; a b 102 12 103 5 104 6 105 7 106 6 107 7 108 8 109 9 201 1 select * from t2; a b 1 1 2 2 3 13 4 14 5 15 6 6 7 7 8 8 9 9 update t1,t2 set t1.b=t2.b, t1.a=t2.a where t1.a=t2.a and not exists (select * from t2 where t2.a > 10); drop table t1,t2; CREATE TABLE t3 ( KEY1 varchar(50) NOT NULL default '', PARAM_CORR_DISTANCE_RUSH double default NULL, PARAM_CORR_DISTANCE_GEM double default NULL, PARAM_AVG_TARE double default NULL, PARAM_AVG_NB_DAYS double default NULL, PARAM_DEFAULT_PROP_GEM_SRVC varchar(50) default NULL, PARAM_DEFAULT_PROP_GEM_NO_ETIK varchar(50) default NULL, PARAM_SCENARIO_COSTS varchar(50) default NULL, PARAM_DEFAULT_WAGON_COST double default NULL, tmp int(11) default NULL, PRIMARY KEY (KEY1)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t3 VALUES ('A',1,1,22,3.2,'R','R','BASE2',0.24,NULL); create table t1 (A varchar(1)); insert into t1 values ("A") ,("B"),("C"),("D"); create table t2(Z varchar(15)); insert into t2(Z) select concat(a.a,b.a,c.a,d.a) from t1 as a, t1 as b, t1 as c, t1 as d; update t2,t3 set Z =param_scenario_costs; drop table t1,t2,t3; create table t1 (a int, b int); create table t2 (a int, b int); insert into t1 values (1,1),(2,1),(3,1); insert into t2 values (1,1), (3,1); update t1 left join t2 on t1.a=t2.a set t1.b=2, t2.b=2 where t1.b=1 and t2.b=1 or t2.a is NULL; select t1.a, t1.b,t2.a, t2.b from t1 left join t2 on t1.a=t2.a where t1.b=1 and t2.b=1 or t2.a is NULL; a b a b 2 2 NULL NULL drop table t1,t2; create table t1 (a int not null auto_increment primary key, b int not null); insert into t1 (b) values (1),(2),(3),(4); update t1, t1 as t2 set t1.b=t2.b+1 where t1.a=t2.a; select * from t1; a b 1 2 2 3 3 4 4 5 drop table t1; create table t1(id1 smallint(5), field char(5)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. create table t2(id2 smallint(5), field char(5)); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values (1, 'a'), (2, 'aa'); insert into t2 values (1, 'b'), (2, 'bb'); select * from t1; id1 field 1 a 2 aa select * from t2; id2 field 1 b 2 bb update t2 inner join t1 on t1.id1=t2.id2 set t2.field=t1.field where 0=1; update t2, t1 set t2.field=t1.field where t1.id1=t2.id2 and 0=1; delete t1, t2 from t2 inner join t1 on t1.id1=t2.id2 where 0=1; delete t1, t2 from t2,t1 where t1.id1=t2.id2 and 0=1; drop table t1,t2; CREATE TABLE t1 ( a int ); CREATE TABLE t2 ( a int ); DELETE t1 FROM t1, t2 AS t3; DELETE t4 FROM t1, t1 AS t4; DELETE t3 FROM t1 AS t3, t1 AS t4; DELETE t1 FROM t1 AS t3, t2 AS t4; ERROR 42S02: Unknown table 't1' in MULTI DELETE INSERT INTO t1 values (1),(2); INSERT INTO t2 values (1),(2); DELETE t1 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=1; SELECT * from t1; a 1 2 SELECT * from t2; a 2 DELETE t2 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=2; SELECT * from t1; a 1 SELECT * from t2; a 2 DROP TABLE t1,t2; create table `t1` (`p_id` int(10) unsigned NOT NULL auto_increment, `p_code` varchar(20) NOT NULL default '', `p_active` tinyint(1) unsigned NOT NULL default '1', PRIMARY KEY (`p_id`) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. create table `t2` (`c2_id` int(10) unsigned NOT NULL auto_increment, `c2_p_id` int(10) unsigned NOT NULL default '0', `c2_note` text NOT NULL, `c2_active` tinyint(1) unsigned NOT NULL default '1', PRIMARY KEY (`c2_id`), KEY `c2_p_id` (`c2_p_id`) ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. insert into t1 values (0,'A01-Comp',1); insert into t1 values (0,'B01-Comp',1); insert into t2 values (0,1,'A Note',1); update t1 left join t2 on p_id = c2_p_id set c2_note = 'asdf-1' where p_id = 2; select * from t1; p_id p_code p_active 1 A01-Comp 1 2 B01-Comp 1 select * from t2; c2_id c2_p_id c2_note c2_active 1 1 A Note 1 drop table t1, t2; create database mysqltest; create table mysqltest.t1 (a int, b int, primary key (a)); create table mysqltest.t2 (a int, b int, primary key (a)); create table mysqltest.t3 (a int, b int, primary key (a)); create user mysqltest_1@localhost; grant select on mysqltest.* to mysqltest_1@localhost; grant update on mysqltest.t1 to mysqltest_1@localhost; update t1, t2 set t1.b=1 where t1.a=t2.a; update t1, t2 set t1.b=(select t3.b from t3 where t1.a=t3.a) where t1.a=t2.a; revoke all privileges on mysqltest.t1 from mysqltest_1@localhost; revoke all privileges on mysqltest.* from mysqltest_1@localhost; delete from mysql.user where user=_binary'mysqltest_1'; drop database mysqltest; create table t1 (a int, primary key (a)); create table t2 (a int, primary key (a)); create table t3 (a int, primary key (a)); delete t1,t3 from t1,t2 where t1.a=t2.a and t2.a=(select t3.a from t3 where t1.a=t3.a); ERROR 42S02: Unknown table 't3' in MULTI DELETE drop table t1, t2, t3; create table t1 (col1 int); create table t2 (col1 int); update t1,t2 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1; ERROR HY000: You can't specify target table 't1' for update in FROM clause delete t1 from t1,t2 where t1.col1 < (select max(col1) from t1) and t1.col1 = t2.col1; ERROR HY000: You can't specify target table 't1' for update in FROM clause drop table t1,t2; create table t1 ( aclid bigint not null primary key, status tinyint(1) not null ) engine = innodb; create table t2 ( refid bigint not null primary key, aclid bigint, index idx_acl(aclid) ) engine = innodb; insert into t2 values(1,null); delete t2, t1 from t2 left join t1 on (t2.aclid=t1.aclid) where t2.refid='1'; drop table t1, t2; create table t1(a int); create table t2(a int); delete from t1,t2 using t1,t2 where t1.a=(select a from t1); ERROR HY000: You can't specify target table 't1' for update in FROM clause drop table t1, t2; create table t1 ( c char(8) not null ) engine=innodb; insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); alter table t1 add b char(8) not null; alter table t1 add a char(8) not null; alter table t1 add primary key (a,b,c); update t1 set a=c, b=c; create table t2 like t1; insert into t2 select * from t1; delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; drop table t1,t2; create table t1 ( c char(8) not null ) engine=innodb; insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); alter table t1 add b char(8) not null; alter table t1 add a char(8) not null; alter table t1 add primary key (a,b,c); update t1 set a=c, b=c; create table t2 like t1; insert into t2 select * from t1; delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; drop table t1,t2; create table t1 (a int, b int); insert into t1 values (1, 2), (2, 3), (3, 4); create table t2 (a int); insert into t2 values (10), (20), (30); create view v1 as select a as b, a/10 as a from t2; lock table t1 write; alter table t1 add column c int default 100 after a; update t1, v1 set t1.b=t1.a+t1.b+v1.b where t1.a=v1.a; unlock tables; select * from t1; a c b 1 100 13 2 100 25 3 100 37 select * from t2; a 10 20 30 drop view v1; drop table t1, t2; create table t1 (i1 int, i2 int, i3 int); create table t2 (id int, c1 varchar(20), c2 varchar(20)); insert into t1 values (1,5,10),(3,7,12),(4,5,2),(9,10,15),(2,2,2); insert into t2 values (9,"abc","def"),(5,"opq","lmn"),(2,"test t","t test"); select * from t1 order by i1; i1 i2 i3 1 5 10 2 2 2 3 7 12 4 5 2 9 10 15 select * from t2; id c1 c2 9 abc def 5 opq lmn 2 test t t test update t1,t2 set t1.i2=15, t2.c2="ppc" where t1.i1=t2.id; select * from t1 order by i1; i1 i2 i3 1 5 10 2 15 2 3 7 12 4 5 2 9 15 15 select * from t2 order by id; id c1 c2 2 test t ppc 5 opq lmn 9 abc ppc delete t1.*,t2.* from t1,t2 where t1.i2=t2.id; select * from t1 order by i1; i1 i2 i3 2 15 2 3 7 12 9 15 15 select * from t2 order by id; id c1 c2 2 test t ppc 9 abc ppc drop table t1, t2; create table t1 (i1 int auto_increment not null, i2 int, i3 int, primary key (i1)); create table t2 (id int auto_increment not null, c1 varchar(20), c2 varchar(20), primary key(id)); insert into t1 values (1,5,10),(3,7,12),(4,5,2),(9,10,15),(2,2,2); insert into t2 values (9,"abc","def"),(5,"opq","lmn"),(2,"test t","t test"); select * from t1 order by i1; i1 i2 i3 1 5 10 2 2 2 3 7 12 4 5 2 9 10 15 select * from t2 order by id; id c1 c2 2 test t t test 5 opq lmn 9 abc def update t1,t2 set t1.i2=15, t2.c2="ppc" where t1.i1=t2.id; select * from t1 order by i1; i1 i2 i3 1 5 10 2 15 2 3 7 12 4 5 2 9 15 15 select * from t2 order by id; id c1 c2 2 test t ppc 5 opq lmn 9 abc ppc delete t1.*,t2.* from t1,t2 where t1.i2=t2.id; select * from t1 order by i1; i1 i2 i3 2 15 2 3 7 12 9 15 15 select * from t2 order by id; id c1 c2 2 test t ppc 9 abc ppc drop table t1, t2; drop table if exists t1, t2, t3; CREATE TABLE t1 (a int, PRIMARY KEY (a)); CREATE TABLE t2 (a int, PRIMARY KEY (a)); CREATE TABLE t3 (a int, PRIMARY KEY (a)); create trigger trg_del_t3 before delete on t3 for each row insert into t1 values (1); insert into t2 values (1),(2); insert into t3 values (1),(2); reset master; delete t3.* from t2,t3 where t2.a=t3.a; ERROR 23000: Duplicate entry '1' for key 'PRIMARY' select count(*) from t1 /* must be 0 */; count(*) 0 select count(*) from t3 /* must be 2 */; count(*) 2 drop table t1, t2, t3; # # Bug#49534: multitable IGNORE update with sql_safe_updates error # causes debug assertion # CREATE TABLE t1( a INT, KEY( a ) ); INSERT INTO t1 VALUES (1), (2), (3); SET SESSION sql_safe_updates = 1; # Must not cause failed assertion UPDATE IGNORE t1, t1 t1a SET t1.a = 1 WHERE t1a.a = 1; ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. DROP TABLE t1; # # Bug#54543: update ignore with incorrect subquery leads to assertion # failure: inited==INDEX # set @optimizer_switch_saved=@@optimizer_switch; set optimizer_switch='derived_merge=off'; SET SESSION sql_safe_updates = 0; CREATE TABLE t1 ( a INT ); INSERT INTO t1 VALUES (1), (2); CREATE TABLE t2 ( a INT ); INSERT INTO t2 VALUES (1), (2); CREATE TABLE t3 ( a INT ); INSERT INTO t3 VALUES (1), (2); # Should not crash UPDATE IGNORE ( SELECT ( SELECT COUNT(*) FROM t1 GROUP BY a, @v ) a FROM t2 ) x, t3 SET t3.a = 0; Warnings: Warning 1242 Subquery returns more than 1 row Warning 1242 Subquery returns more than 1 row DROP TABLE t1, t2, t3; SET SESSION sql_safe_updates = DEFAULT; set @@optimizer_switch=@optimizer_switch_saved; # # Bug#52157 various crashes and assertions with multi-table update, stored function # set @optimizer_switch_saved=@@optimizer_switch; set optimizer_switch='derived_merge=off'; CREATE FUNCTION f1 () RETURNS BLOB RETURN '2011-01-01'; CREATE TABLE t1 (f1 DATE); INSERT INTO t1 VALUES('2001-01-01'); UPDATE IGNORE (SELECT 1 FROM t1 WHERE f1 = (SELECT f1() FROM t1)) x, t1 SET f1 = '2011-01-01'; DROP FUNCTION f1; DROP TABLE t1; CREATE TABLE t1(a TEXT, FULLTEXT(a)) engine = blackhole; UPDATE IGNORE (SELECT 1 FROM t1 WHERE(MATCH(a) AGAINST(''))) `x`,`t1` SET a = 1; DROP TABLE t1; set @@optimizer_switch=@optimizer_switch_saved; # Bug#13256831 - ERROR 1032 (HY000): CAN'T FIND RECORD CREATE TABLE t1 (f1 INT PRIMARY KEY, f2 INT) ENGINE=InnoDB; CREATE TABLE t2 (f1 INT PRIMARY KEY, f2 INT) ENGINE=InnoDB; INSERT INTO t1 VALUES (5, 7); INSERT INTO t2 VALUES (6, 97); CREATE ALGORITHM = MERGE VIEW v1 AS SELECT a2.f1 AS f1, a2.f2 AS f2 FROM t1 AS a1 JOIN t2 AS a2 ON a1.f2 > a2.f1 WITH LOCAL CHECK OPTION; SELECT * FROM v1; f1 f2 6 97 UPDATE v1 SET f1 = 1; SELECT * FROM v1; f1 f2 1 97 DROP TABLE t1, t2; DROP VIEW v1; # # BUG #11766576 - 59715: UPDATE IGNORE, 1 ROW AFFECTED # DROP TABLE IF EXISTS t1, t2; CREATE TABLE t1 (id INT PRIMARY KEY); INSERT INTO t1 VALUES (1), (2); UPDATE IGNORE t1, (SELECT 1 AS duplicate_id) AS t2 SET t1.id=t2.duplicate_id; affected rows: 0 info: Rows matched: 2 Changed: 0 Warnings: 1 Warnings: Warning 1062 Duplicate entry '1' for key 'PRIMARY' # Check that no rows changed. SELECT * FROM t1; id 1 2 DROP TABLE t1; # # Bug #18352634 "UPDATE ORDER BY" OF MULTI-TABLE VIEW DOES NOT WORK # CREATE TABLE t1 (a INT) ENGINE=INNODB; CREATE VIEW v AS SELECT t1.a FROM t1,t1 q; UPDATE v SET a=1 ORDER BY a; Got one of the listed errors UPDATE v SET a=1 LIMIT 3; Got one of the listed errors DROP TABLE t1; DROP VIEW v; # # WL#5275: Multi-table update, view with subquery in CHECK OPTION # CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB; CREATE TABLE t3 (f1 INTEGER) ENGINE=INNODB; INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (1, 1), (2, 2); INSERT INTO t3 VALUES (1), (2); CREATE VIEW v2 AS SELECT * FROM t2 WHERE f2 IN (SELECT f1 FROM t3) WITH CHECK OPTION; SELECT * FROM t1 JOIN v2 ON t1.f1=v2.f1; f1 f1 f2 1 1 1 2 2 2 UPDATE t1 JOIN v2 ON t1.f1=v2.f1 SET f2 = f2 + 1 WHERE t1.f1=1; UPDATE t1 JOIN v2 ON t1.f1=v2.f1 SET f2 = f2 + 1 WHERE t1.f1=2; ERROR HY000: CHECK OPTION failed 'test.v2' SELECT * FROM t1 JOIN v2 ON t1.f1=v2.f1; f1 f1 f2 1 1 2 2 2 2 DROP VIEW v2; DROP TABLE t1, t2, t3; # # Bug 18449085: WRONG VALUE AFTER MULTI UPDATE # CREATE TABLE t1 (c1 INTEGER, c2 INTEGER, KEY(c1)); CREATE TABLE t2 (c1 INTEGER, c2 INTEGER); CREATE TABLE t3 (c1 INTEGER, c2 INTEGER); INSERT INTO t1 VALUES(1,1),(2,2),(3,3),(4,4),(5,5); INSERT INTO t2 VALUES(11,1),(12,1),(13,1),(14,2),(15,6); INSERT INTO t3 VALUES(21,11),(22,11),(23,13),(24,14),(25,15); ANALYZE TABLE t1, t2, t3; Table Op Msg_type Msg_text test.t1 analyze status OK test.t2 analyze status OK test.t3 analyze status OK UPDATE t2 straight_join t3 straight_join t1 SET t1.c2 = 30, t2.c2 = 40, t3.c2=50 WHERE t1.c1=t2.c2 AND t2.c1=t3.c2; EXPLAIN UPDATE t2 straight_join t3 straight_join t1 SET t1.c2 = 30, t2.c2 = 40, t3.c2=50 WHERE t1.c1=t2.c2 AND t2.c1=t3.c2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 UPDATE t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using where 1 UPDATE t3 NULL ALL NULL NULL NULL NULL 5 20.00 Using where 1 UPDATE t1 NULL ref c1 c1 5 test.t2.c2 1 100.00 NULL Warnings: Note 1003 update `test`.`t2` straight_join `test`.`t3` straight_join `test`.`t1` set `test`.`t1`.`c2` = 30,`test`.`t2`.`c2` = 40,`test`.`t3`.`c2` = 50 where ((`test`.`t3`.`c2` = `test`.`t2`.`c1`) and (`test`.`t1`.`c1` = `test`.`t2`.`c2`)) SELECT * FROM t3 ORDER BY c1; c1 c2 21 50 22 50 23 50 24 50 25 15 DROP TABLE t1, t2, t3;